1. 0
2. 0

# Usage:
# 1. Cascade COM ports sorting rule
# 2. 9-bit mode
#
# Cascade COM ports sorting rule :
# ====================================
# '0' (default)
# COM Port No.      Cascade Master/Slave        Function No.
#      1                    Master                   0
#      2                    Master                   1
#      3                    Master                   2
#      4                    Master                   3
#      5                    Slave                    0
#      6                    Slave                    1
#      7                    Slave                    2
#      8                    Slave                    3
#
# '1'
# COM Port No.      Cascade Master/Slave        Function No.
#      1                    Master                   0
#      2                    Slave                    0
#      3                    Master                   1
#      4                    Slave                    1
#      5                    Master                   2
#      6                    Slave                    2
#      7                    Master                   3
#      8                    Slave                    3
# ====================================
#
# 9-bit mode :
# 0 - Disable 9-bit mode.
# 1 - Enable 9-bit mode.

